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instagram 內嵌程式碼,是否可以置中或變寬100%?

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事由
我目前使用一個編輯器叫做 summernote ,我另外利用這個編輯器提供的自製按鈕,寫了一個輸入內嵌程式碼,當輸入後就能夠丟進去原始碼中,直接呈現IG預覽。
雖然順利,但出現了美中不足...

事件主謀
instagram 的內嵌程式碼

<blockquote class="instagram-media" data-instgrm-captioned data-instgrm-permalink="https://www.instagram.com/p/Bn_hXnelHGQ/?utm_source=ig_embed_loading" data-instgrm-version="12" style=" background:#FFF; border:0; border-radius:3px; box-shadow:0 0 1px 0 rgba(0,0,0,0.5),0 1px 10px 0 rgba(0,0,0,0.15); margin: 1px; max-width:540px; min-width:326px; padding:0; width:99.375%; width:-webkit-calc(100% - 2px); width:calc(100% - 2px);"><div style="padding:16px;"> <a href="https://www.instagram.com/p/Bn_hXnelHGQ/?utm_source=ig_embed_loading" style=" background:#FFFFFF; line-height:0; padding:0 0; text-align:center; text-decoration:none; width:100%;" target="_blank"> <div style=" display: flex; flex-direction: row; align-items: center;"> <div style="background-color: #F4F4F4; border-radius: 50%; flex-grow: 0; height: 40px; margin-right: 14px; width: 40px;"></div> <div style="display: flex; flex-direction: column; flex-grow: 1; justify-content: center;"> <div style=" background-color: #F4F4F4; border-radius: 4px; flex-grow: 0; height: 14px; margin-bottom: 6px; width: 100px;"></div> <div style=" background-color: #F4F4F4; border-radius: 4px; flex-grow: 0; height: 14px; width: 60px;"></div></div></div><div style="padding: 19% 0;"></div><div style="display:block; height:50px; margin:0 auto 12px; width:50px;"><svg width="50px" height="50px" viewBox="0 0 60 60" version="1.1" xmlns="https://www.w3.org/2000/svg" xmlns:xlink="https://www.w3.org/1999/xlink"><g stroke="none" stroke-width="1" fill="none" fill-rule="evenodd"><g transform="translate(-511.000000, -20.000000)" fill="#000000"><g><path d="M556.869,30.41 C554.814,30.41 553.148,32.076 553.148,34.131 C553.148,36.186 554.814,37.852 556.869,37.852 C558.924,37.852 560.59,36.186 560.59,34.131 C560.59,32.076 558.924,30.41 556.869,30.41 M541,60.657 C535.114,60.657 530.342,55.887 530.342,50 C530.342,44.114 535.114,39.342 541,39.342 C546.887,39.342 551.658,44.114 551.658,50 C551.658,55.887 546.887,60.657 541,60.657 M541,33.886 C532.1,33.886 524.886,41.1 524.886,50 C524.886,58.899 532.1,66.113 541,66.113 C549.9,66.113 557.115,58.899 557.115,50 C557.115,41.1 549.9,33.886 541,33.886 M565.378,62.101 C565.244,65.022 564.756,66.606 564.346,67.663 C563.803,69.06 563.154,70.057 562.106,71.106 C561.058,72.155 560.06,72.803 558.662,73.347 C557.607,73.757 556.021,74.244 553.102,74.378 C549.944,74.521 548.997,74.552 541,74.552 C533.003,74.552 532.056,74.521 528.898,74.378 C525.979,74.244 524.393,73.757 523.338,73.347 C521.94,72.803 520.942,72.155 519.894,71.106 C518.846,70.057 518.197,69.06 517.654,67.663 C517.244,66.606 516.755,65.022 516.623,62.101 C516.479,58.943 516.448,57.996 516.448,50 C516.448,42.003 516.479,41.056 516.623,37.899 C516.755,34.978 517.244,33.391 517.654,32.338 C518.197,30.938 518.846,29.942 519.894,28.894 C520.942,27.846 521.94,27.196 523.338,26.654 C524.393,26.244 525.979,25.756 528.898,25.623 C532.057,25.479 533.004,25.448 541,25.448 C548.997,25.448 549.943,25.479 553.102,25.623 C556.021,25.756 557.607,26.244 558.662,26.654 C560.06,27.196 561.058,27.846 562.106,28.894 C563.154,29.942 563.803,30.938 564.346,32.338 C564.756,33.391 565.244,34.978 565.378,37.899 C565.522,41.056 565.552,42.003 565.552,50 C565.552,57.996 565.522,58.943 565.378,62.101 M570.82,37.631 C570.674,34.438 570.167,32.258 569.425,30.349 C568.659,28.377 567.633,26.702 565.965,25.035 C564.297,23.368 562.623,22.342 560.652,21.575 C558.743,20.834 556.562,20.326 553.369,20.18 C550.169,20.033 549.148,20 541,20 C532.853,20 531.831,20.033 528.631,20.18 C525.438,20.326 523.257,20.834 521.349,21.575 C519.376,22.342 517.703,23.368 516.035,25.035 C514.368,26.702 513.342,28.377 512.574,30.349 C511.834,32.258 511.326,34.438 511.181,37.631 C511.035,40.831 511,41.851 511,50 C511,58.147 511.035,59.17 511.181,62.369 C511.326,65.562 511.834,67.743 512.574,69.651 C513.342,71.625 514.368,73.296 516.035,74.965 C517.703,76.634 519.376,77.658 521.349,78.425 C523.257,79.167 525.438,79.673 528.631,79.82 C531.831,79.965 532.853,80.001 541,80.001 C549.148,80.001 550.169,79.965 553.369,79.82 C556.562,79.673 558.743,79.167 560.652,78.425 C562.623,77.658 564.297,76.634 565.965,74.965 C567.633,73.296 568.659,71.625 569.425,69.651 C570.167,67.743 570.674,65.562 570.82,62.369 C570.966,59.17 571,58.147 571,50 C571,41.851 570.966,40.831 570.82,37.631"></path></g></g></g></svg></div><div style="padding-top: 8px;"> <div style=" color:#3897f0; font-family:Arial,sans-serif; font-size:14px; font-style:normal; font-weight:550; line-height:18px;"> 在 Instagram 查看這則貼文</div></div><div style="padding: 12.5% 0;"></div> <div style="display: flex; flex-direction: row; margin-bottom: 14px; align-items: center;"><div> <div style="background-color: #F4F4F4; border-radius: 50%; height: 12.5px; width: 12.5px; transform: translateX(0px) translateY(7px);"></div> <div style="background-color: #F4F4F4; height: 12.5px; transform: rotate(-45deg) translateX(3px) translateY(1px); width: 12.5px; flex-grow: 0; margin-right: 14px; margin-left: 2px;"></div> <div style="background-color: #F4F4F4; border-radius: 50%; height: 12.5px; width: 12.5px; transform: translateX(9px) translateY(-18px);"></div></div><div style="margin-left: 8px;"> <div style=" background-color: #F4F4F4; border-radius: 50%; flex-grow: 0; height: 20px; width: 20px;"></div> <div style=" width: 0; height: 0; border-top: 2px solid transparent; border-left: 6px solid #f4f4f4; border-bottom: 2px solid transparent; transform: translateX(16px) translateY(-4px) rotate(30deg)"></div></div><div style="margin-left: auto;"> <div style=" width: 0px; border-top: 8px solid #F4F4F4; border-right: 8px solid transparent; transform: translateY(16px);"></div> <div style=" background-color: #F4F4F4; flex-grow: 0; height: 12px; width: 16px; transform: translateY(-4px);"></div> <div style=" width: 0; height: 0; border-top: 8px solid #F4F4F4; border-left: 8px solid transparent; transform: translateY(-4px) translateX(8px);"></div></div></div></a> <p style=" margin:8px 0 0 0; padding:0 4px;"> <a href="https://www.instagram.com/p/Bn_hXnelHGQ/?utm_source=ig_embed_loading" style=" color:#000; font-family:Arial,sans-serif; font-size:14px; font-style:normal; font-weight:normal; line-height:17px; text-decoration:none; word-wrap:break-word;" target="_blank">Who is excited to see the new Captain Marvel movie by @marvelstudios ?????..... ......................................................... See more on my YouTube Channel www.YouTube.com/RomeyRoFilms ......................................................... • • • • • #captainmarvel #cosplaygirl #thorragnarok #avengersinfinitywar #guardiansofthegalaxy #blackpanther #scarletwitch #captainamericacivilwar #antman #avengers #wintersoldier #thor #marvelcosplayer #marvelcosplay #tonystark #civilwar #ironman #captainamerica #hulk #marvelcomics #steverogers #spiderman</a></p> <p style=" color:#c9c8cd; font-family:Arial,sans-serif; font-size:14px; line-height:17px; margin-bottom:0; margin-top:8px; overflow:hidden; padding:8px 0 7px; text-align:center; text-overflow:ellipsis; white-space:nowrap;"><a href="https://www.instagram.com/romeyrofilms/?utm_source=ig_embed_loading" style=" color:#c9c8cd; font-family:Arial,sans-serif; font-size:14px; font-style:normal; font-weight:normal; line-height:17px;" target="_blank"> Cosplay | Cons | Parodies</a>(@romeyrofilms)分享的貼文 於 <time style=" font-family:Arial,sans-serif; font-size:14px; line-height:17px;" datetime="2018-09-21T15:07:23+00:00">PDT 2018 年 9月 月 21 日 上午 8:07</time> 張貼</p></div></blockquote> <script async defer src="//www.instagram.com/embed.js"></script>

用谷歌瀏覽器檢查原始碼時,會顯示 iframe 的格式輸出:

<iframe class="instagram-media instagram-media-rendered" id="instagram-embed-0" src="https://www.instagram.com/p/xxxxxx/embed/captioned/?cr=1&amp;v=12&amp;wp=540&amp;rd=http%3A%2F%2Flocalhost%3A9001&amp;rp=%2Fblog%2Ffood%2Ftaipei%2Fpork-foot-rice#%7B%22ci%22%3A0%2C%22os%22%3A5979.699999996228%7D" allowtransparency="true" frameborder="0" height="911" data-instgrm-payload-id="instagram-media-payload-0" scrolling="no" style="background: white; max-width: 540px; width: calc(100% - 2px); border-radius: 3px; border: 1px solid rgb(219, 219, 219); box-shadow: none; display: block; margin: 0px 0px 12px; min-width: 326px; padding: 0px;"></iframe>

問題
因為上面的程式碼寫說最寬的大小時 540px ,因此我的文章寬度是 800px,則他會直接靠左邊。
唯一能解決這個怪問題

  1. 將寬度拉長到 100%
  2. 使 iframe 置中對齊

於是乎我找到看似第二個問題的解決方式

.instagramCenterWrapper{
  position: relative;
 padding-bottom: 56.25%;/* 16:9 */
 padding-top: 25px;
 height: 0;
}

iframe {
 position: absolute;
 top: 0;
 left: 0;
 width: 100%;
 height: 100%;
}

這段程式碼對 ig 產生出來的 iframe 完全無效。

一開始拿到內嵌程式碼的時候,上面的寬度已經寫好了,就是540px
因此如果套用這個方法,外面的 div 包住 iframe ,也就導致貼文高度會被切掉(padding-bottom: 56.25%),進而就無法改變其寬度。他高度是用程式算出來的,我改了寬度,高度會自適應改變。

我不知道能用什麼方式解決 IG內嵌程式碼 無法置中對齊的問題?或是能夠強制改變它的寬度?

froce iT邦大師 1 級 ‧ 2018-09-22 09:21:25 檢舉
.instagramCenterWrapper你有讓他置中嗎?
那段CSS看起來就只是弄個wrapper,調整padding而已。
然後iframe浮在wrapper上,定位點是wrapper左上,所以你要看wrapper的左上角的位置。你把wrapper定位到置中,他就會跟著置中。

學著弄成jsbin之類的,並小規模化,讓人比較好測試,你的問題才容易解答。
要不然哪有時間弄成環境和你一樣來測試?
marlin12 iT邦研究生 5 級 ‧ 2018-09-23 16:13:05 檢舉
水平置中
.instagram-media { margin: 0 auto !important; }

寬度拉長到 100%
.instagram-media { max-width: 100% !important; }
圖片
  直播研討會
圖片
{{ item.channelVendor }} {{ item.webinarstarted }} |
{{ formatDate(item.duration) }}
直播中

1 個回答

0
blueberrypie
iT邦見習生 ‧ 2021-07-09 16:09:09
最佳解答

雖然發文有點久了,我在中文網站找好久都沒有任何相關的問題及解答,但外國網站有找到解決方式,我直接貼連結,已經在BLOG上試過是沒有問題的。
https://jaylabastien.com/how-to-center-your-instagram-embeds/

火爆浪子 iT邦研究生 1 級 ‧ 2021-07-09 22:07:10 檢舉

感謝回答,確實有點久了
不過 good to know!

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